Storage bin



FIG. 1 is a right front perspective view of the design of the storage bin;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom plan view thereof; and,

FIG. 6 is a right side elevational view thereof, the left side elevational view being a mirror image thereof.

The broken lines of FIGS. 1 and 2 are for illustrative purposes only and form no part of the claimed design. 

The ornamental design for a storage bin, as shown and described. 